The BBC’s Top Gear program recently took the Bugatti Veyron for a quick test drive — a very quick test drive1. James May was asked to test the car’s top speed, and there was apparently only one place in the world it could be done — Volkswagen’s super-secret test facility in Germany, Ehra-Lessien. Why? Because Ehra-Lessien has an unbroken straight 9 kilometres in length, which you can see running along the top of our thumbnails. It’s so long, that if you stood on one side of the straight, you wouldn’t be able to see the other end due…